package com.chuangjiangx.member.common.utils;

import lombok.extern.slf4j.Slf4j;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.net.ConnectException;
import java.net.SocketTimeoutException;
import java.net.URL;
import java.net.URLConnection;

@Slf4j
public class AppHttpService {

    /**
     * 向指定URL发送GET方法的请求
     *
     * @param url   发送请求的URL
     * @param param 请求参数，请求参数应该是 name1=value1&name2=value2 的形式。
     * @return URL 所代表远程资源的响应结果
     */
    public static String sendGet(String url, String param) throws ConnectException, SocketTimeoutException, IOException, Exception {
        String result = "";
        BufferedReader in = null;
        try {
            String urlNameString = url + "?" + param;
            log.info(urlNameString);
            URL realUrl = new URL(urlNameString);
            // 打开和URL之间的连接
            URLConnection conn = realUrl.openConnection();
            // 设置 HttpURLConnection的断开时间
            conn.setConnectTimeout(50000);
            // 设置通用的请求属性
            conn.setRequestProperty("accept", "*/*");
            conn.setRequestProperty("connection", "Keep-Alive");
            conn.setRequestProperty("user-agent", "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");
            conn.setRequestProperty("Accept-Charset", "UTF-8");
            // 建立实际的连接
            conn.connect();
            // 定义 BufferedReader输入流来读取URL的响应
            in = new BufferedReader(new InputStreamReader(conn.getInputStream()));
            String line;
            while ((line = in.readLine()) != null) {
                result += line;
            }
        } catch (ConnectException e) {
            log.info("发送GET请求拒绝连接！" + e);
            throw e;
        } catch (SocketTimeoutException e) {
            log.info("发送GET请求超时！" + e);
            throw e;
        } catch (Exception e) {
            log.info("发送GET请求出现异常！" + e);
            throw e;
        }
        // 使用finally块来关闭输入流
        finally {
            try {
                if (in != null) {
                    in.close();
                }
            } catch (IOException e2) {
                throw e2;

            }
        }
        return result;
    }

    /**
     * 向指定 URL 发送POST方法的请求
     *
     * @param url   发送请求的 URL
     * @param param 请求参数，请求参数应该是 name1=value1&name2=value2 的形式。
     * @return 所代表远程资源的响应结果
     */
    public static String sendPost(String url, String param) throws ConnectException, SocketTimeoutException, IOException, Exception {
        PrintWriter out = null;
        BufferedReader in = null;
        String result = "";
        try {
            URL realUrl = new URL(url);
            // 打开和URL之间的连接
            URLConnection conn = realUrl.openConnection();
            // 设置 HttpURLConnection的断开时间
            conn.setConnectTimeout(5000);
            conn.setReadTimeout(30000);
            // 设置通用的请求属性
            conn.setRequestProperty("accept", "*/*");
            conn.setRequestProperty("connection", "Keep-Alive");
            conn.setRequestProperty("user-agent", "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");
            conn.setRequestProperty("Accept-Charset", "UTF-8");
//			conn.setRequestProperty("Content-Type", "application/json");
            conn.setRequestProperty("token", "06ea4c974f87e193ed18d518f346675b");
            // 发送POST请求必须设置如下两行
            conn.setDoOutput(true);
            conn.setDoInput(true);
            // 获取URLConnection对象对应的输出流
            out = new PrintWriter(conn.getOutputStream());
            // 发送请求参数
            out.print(param);
            // flush输出流的缓冲
            out.flush();
            // 定义BufferedReader输入流来读取URL的响应
            in = new BufferedReader(new InputStreamReader(conn.getInputStream()));
            String line;
            while ((line = in.readLine()) != null) {
                result += line;
            }

        } catch (ConnectException e) {
            log.info("发送请求拒绝连接！" + e);
            throw e;
        } catch (SocketTimeoutException e) {
            log.info("发送请求超时！" + e);
            throw e;
        } catch (Exception e) {
            log.info("发送 POST 请求出现异常！" + e);
            throw e;
        } finally {
            // 使用finally块来关闭输出流、输入流
            try {
                if (out != null) {
                    out.close();
                }
                if (in != null) {
                    in.close();
                }
            } catch (IOException e2) {
                throw e2;
            }
        }
        return result;
    }


    public static void main(String[] args) throws ConnectException, SocketTimeoutException, IOException, Exception {
		String ss = sendGet("https://api.weixin.qq.com/sns/jscode2session", "appid=wx7d4cd996a1c86bb4&secret=314e51598d1533b1afa016bad93a9a06&js_code=JSCODE&grant_type=authorization_code");
        System.out.println(ss);
    }
}